The correct structure of 3,3-dimethyl butyne is-
1. 
2. 
3. 
4. 

The IUPAC name of the compound, 

 $C{H}_3—C{H}_2—CH—CON{H}_2$
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$C{H}_3$ is-

1. 2-Ethylbutanamide

2. 2-Methylbutanamide

3. 1-Amino-2-methylpropane

4. None of the above

The IUPAC name of the compound,

      is:   

1. 1,2-Dimethyl-2-butenol

2. 3-Methylpent-3-en-2-ol

3. 3,4-Dimethyl-2-buten-4-ol

4. 2,3-Dimethyl-3-pentenol

The IUPAC name of the compound

1. 2-Iodo-3-chloro-4-pentanoic acid

2. 4-Oxo-3-chloro-2-iodopentanoic acid

3. 4-Carboxy-4,3-chloro-2-butanone

4. 3-Chloro-2-iodo-4-oxopentanoic acid

The IUPAC name of the given compound is:

1. 4-Butylpenta-2,4-dienal
2. 5-Vinyloct-3-en-1-al
3. 5-Vinyloct-5-en-8-al
4. 3-Butyl-1,4-hexadien-6-al

Isobutyl chloride is-

1. CH₃CH₂CH₂CH₂Cl

2. (CH₃)₂CHCH₂Cl

3. CH₃CH₂CHClCH₃

4. (CH₃)₃C-Cl

Which compound contains an isopropyl group?

1. 2,2,3,3-Tetramethylpentane

2. 2,2-Dimethylpentane

3. 2,2,3-Trimethylpentane

4. 2-Methylpentane

The IUPAC name of the above mentioned compound is - 

Which of the following species exhibits paramagnetism?

The structure of cis-bis (propenyl) ethene is:

1. 

2. 

3. 

4.